ARCH=armhf
BOOTDELAY=1
BOOTBRANCH='tag:v2021.04'
BOOTPATCHDIR='u-boot-sunxi'
UBOOT_TARGET_MAP=';;u-boot-sunxi-with-spl.bin'
BOOTSCRIPT="boot-sunxi.cmd:boot.cmd"
BOOTENV_FILE='sunxi.txt'
LINUXFAMILY=sunxi
UBOOT_FW_ENV='0x88000,0x20000' # /etc/fw_env.config offset and env size
ASOUND_STATE='asound.state.sunxi-next'
GOVERNOR=ondemand

case $BRANCH in
	legacy)

		KERNELSOURCE="https://github.com/megous/linux"
		KERNELBRANCH="branch:orange-pi-5.4"
		KERNELPATCHDIR='sunxi-'$BRANCH

	;;

	current)

		KERNELSOURCE="https://github.com/megous/linux"
		KERNELBRANCH="branch:orange-pi-5.10"
		KERNELPATCHDIR='sunxi-'$BRANCH

	;;

	edge)

		KERNELSOURCE="https://github.com/megous/linux"
		KERNELBRANCH="branch:orange-pi-5.11"
		KERNELPATCHDIR='sunxi-'$BRANCH

	;;
esac

family_tweaks()
{
	# execute specific tweaks function if present
	[[ $(type -t family_tweaks_s) == function ]] && family_tweaks_s

	cp $SRC/packages/blobs/splash/armbian-u-boot-24.bmp $SDCARD/boot/boot.bmp
}

family_tweaks_bsp()
{
	# execute specific tweaks function if present
	[[ $(type -t family_tweaks_bsp_s) == function ]] && family_tweaks_bsp_s
}

write_uboot_platform()
{
	dd if=/dev/zero of=$2 bs=1k count=1023 seek=1 status=noxfer > /dev/null 2>&1
	dd if=$1/u-boot-sunxi-with-spl.bin of=$2 bs=1024 seek=8 status=noxfer > /dev/null 2>&1
}

setup_write_uboot_platform()
{
	if grep -q "ubootpart" /proc/cmdline; then
		local tmp=$(cat /proc/cmdline)
		tmp="${tmp##*ubootpart=}"
		tmp="${tmp%% *}"
		[[ -n $tmp ]] && local part=$(findfs PARTUUID=$tmp 2>/dev/null)
		[[ -n $part ]] && local dev=$(lsblk -n -o PKNAME $part 2>/dev/null)
		[[ -n $dev ]] && DEVICE="/dev/$dev"
	elif [[ -f /var/lib/armbian/force_search_uboot ]]; then
		# This may cause overwriting u-boot for android or other non-Armbian OS installed on eMMC
		# so don't run this function by default
		for dev in $(lsblk -d -n -p -o NAME); do
			if grep -q 'eGON.BT0' <(dd if=$dev bs=32 skip=256 count=1 status=none); then
				# Assuming that only one device with SPL signature is present
				echo "SPL signature found on $dev" >&2
				DEVICE=$dev
				break
			fi
		done
	fi
}
